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  <div class="section" id="data-compression-and-archiving">
<span id="archiving"></span><h1>数据压缩和存档<a class="headerlink" href="#data-compression-and-archiving" title="永久链接至标题">¶</a></h1>
<p>本章中描述的模块支持使用 zlib、gzip、bzip2 和 lzma 算法进行数据压缩，以及创建 ZIP 和 tar-format 档案。参见 <a class="reference internal" href="shutil.html#archiving-operations"><span class="std std-ref">Archiving operations</span></a> 由 <a class="reference internal" href="shutil.html#module-shutil" title="shutil: High-level file operations, including copying."><code class="xref py py-mod docutils literal notranslate"><span class="pre">shutil</span></code></a> 模块提供。</p>
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<li class="toctree-l1"><a class="reference internal" href="zlib.html"><code class="docutils literal notranslate"><span class="pre">zlib</span></code> --- 与 <strong class="program">gzip</strong> 兼容的压缩</a></li>
<li class="toctree-l1"><a class="reference internal" href="gzip.html"><code class="docutils literal notranslate"><span class="pre">gzip</span></code> --- 对 <strong class="program">gzip</strong> 格式的支持</a><ul>
<li class="toctree-l2"><a class="reference internal" href="gzip.html#examples-of-usage">用法示例</a></li>
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<li class="toctree-l1"><a class="reference internal" href="bz2.html"><code class="docutils literal notranslate"><span class="pre">bz2</span></code> --- Support for <strong class="program">bzip2</strong> compression</a><ul>
<li class="toctree-l2"><a class="reference internal" href="bz2.html#de-compression-of-files">(De)compression of files</a></li>
<li class="toctree-l2"><a class="reference internal" href="bz2.html#incremental-de-compression">Incremental (de)compression</a></li>
<li class="toctree-l2"><a class="reference internal" href="bz2.html#one-shot-de-compression">One-shot (de)compression</a></li>
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<li class="toctree-l1"><a class="reference internal" href="lzma.html"><code class="docutils literal notranslate"><span class="pre">lzma</span></code> --- Compression using the LZMA algorithm</a><ul>
<li class="toctree-l2"><a class="reference internal" href="lzma.html#reading-and-writing-compressed-files">Reading and writing compressed files</a></li>
<li class="toctree-l2"><a class="reference internal" href="lzma.html#compressing-and-decompressing-data-in-memory">Compressing and decompressing data in memory</a></li>
<li class="toctree-l2"><a class="reference internal" href="lzma.html#miscellaneous">Miscellaneous</a></li>
<li class="toctree-l2"><a class="reference internal" href="lzma.html#specifying-custom-filter-chains">Specifying custom filter chains</a></li>
<li class="toctree-l2"><a class="reference internal" href="lzma.html#examples">示例</a></li>
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<li class="toctree-l1"><a class="reference internal" href="zipfile.html"><code class="docutils literal notranslate"><span class="pre">zipfile</span></code> --- Work with ZIP archives</a><ul>
<li class="toctree-l2"><a class="reference internal" href="zipfile.html#zipfile-objects">ZipFile Objects</a></li>
<li class="toctree-l2"><a class="reference internal" href="zipfile.html#pyzipfile-objects">PyZipFile Objects</a></li>
<li class="toctree-l2"><a class="reference internal" href="zipfile.html#zipinfo-objects">ZipInfo Objects</a></li>
<li class="toctree-l2"><a class="reference internal" href="zipfile.html#command-line-interface">命令行界面</a><ul>
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<li class="toctree-l1"><a class="reference internal" href="tarfile.html"><code class="docutils literal notranslate"><span class="pre">tarfile</span></code> --- Read and write tar archive files</a><ul>
<li class="toctree-l2"><a class="reference internal" href="tarfile.html#tarfile-objects">TarFile Objects</a></li>
<li class="toctree-l2"><a class="reference internal" href="tarfile.html#tarinfo-objects">TarInfo Objects</a></li>
<li class="toctree-l2"><a class="reference internal" href="tarfile.html#command-line-interface">命令行界面</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="tarfile.html#examples">示例</a></li>
<li class="toctree-l2"><a class="reference internal" href="tarfile.html#supported-tar-formats">Supported tar formats</a></li>
<li class="toctree-l2"><a class="reference internal" href="tarfile.html#unicode-issues">Unicode issues</a></li>
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